<!DOCTYPE html>
<title>CSS Conditional Test: @supports font-format()</title>
<link rel="author" title="Jonathan Kew" href="mailto:[email protected]">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#typedef-supports-font-format-fn">
<link rel="match" href="at-supports-001-ref.html">
<style>
div {
background: red;
height: 10px;
width: 100px;
}
/* assume all browsers support at least opentype, truetype, woff */
@supports font-format(opentype) {
#test1 { background: green };
}
@supports font-format(TrueType) {
#test2 { background: green };
}
@supports font-format(Woff) {
#test3 { background: green };
}
/* forms that should NOT be recognized as supported */
@supports not font-format() {
#test4 { background: green };
}
@supports not font-format(xyzzy) {
#test5 { background: green };
}
@supports not font-format("opentype") {
#test6 { background: green };
}
@supports not font-format("truetype") {
#test7 { background: green };
}
@supports not font-format("woff") {
#test8 { background: green };
}
@supports not font-format(truetype opentype) {
#test9 { background: green };
}
@supports not font-format(truetype, opentype) {
#test10 { background: green };
}
</style>
<p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
<div id=test1></div>
<div id=test2></div>
<div id=test3></div>
<div id=test4></div>
<div id=test5></div>
<div id=test6></div>
<div id=test7></div>
<div id=test8></div>
<div id=test9></div>
<div id=test10></div>